Prinzmetal's angina (redirected from Angina pectoris, variant)

Prinz·met·al's angina (prnzmtlz, prnts-)

n.

Angina pectoris marked by pain that is not precipitated by cardiac work, is usually of longer duration, and is usually more severe. Also called angina inversa.

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Prinzmetal's angina Coronary artery vasospasm, variant angina Cardiology A condition characterized by sudden and usually transient vasoconstriction of a coronary artery with ↓ myocardial O₂ Clinical Severe, crushing, chest pain at rest and ST segment deviation Precipitating factors Emotional stress, medications, street drugs–cocaine, cold exposure, stress, vasoconstrictors Diagnosis Normal angiogram, ST segment deviation–usually ↑ without preceding ↑ in heart rate or BP Management Nitrates, nifedipine or diltiazem with aspirin; slow CCBs–eg, verapamil, may contribute to AV block. Cf Angina pectoris.